In order to make our SmartDac recorders compliant with AMS2750E you do need to have the /AH and the /AS1 option installed, you will need NIST calibration. The /AH and /AS1 options will making doing the TUS reports far easier and is recommended if that is the customer's application.
Yokogawa data acquisition systems give you the most flexibility and power to measure, display, store, and even actuate any number of physical or electrical phenomena.